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From: James Simmons on 5 Apr 2010 10:10

On Sat, 20 Mar 2010, Wolfram Sang wrote:

> Fix I2C-drivers which missed setting clientdata to NULL before freeing the
> structure it points to. Also fix drivers which do this _after_ the structure
> was freed already.
>
> Signed-off-by: Wolfram Sang <w.sang(a)pengutronix.de>
> Cc: Petr Vandrovec <vandrove(a)vc.cvut.cz>
> ---

Acked-by: James Simmons <jsimmons(a)infradead.org>

> Found using coccinelle, then reviewed. Full patchset is available via
> kernel-janitors, linux-i2c, and LKML.
> ---
> drivers/video/matrox/matroxfb_maven.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c
> index 91af915..e7b0ec3 100644
> --- a/drivers/video/matrox/matroxfb_maven.c
> +++ b/drivers/video/matrox/matroxfb_maven.c
> @@ -1254,6 +1254,7 @@ static int maven_probe(struct i2c_client *client,
> goto ERROR4;
> return 0;
> ERROR4:;
> + i2c_set_clientdata(client, NULL);
> kfree(data);
> ERROR0:;
> return err;
> --
> 1.7.0
>
> --
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Prev: -V2 Add MFD driver for TPS6507x family of multi-function chips and move TPS6507x regulator driver from being stand-alone to using the MFD driver.
Next: [PATCH -mm] oom: select_bad_process: never choose tasks with badness == 0